Bow knuckle



FIG. 1 is a right front perspective view of a bow knuckle showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof.

FIG. 5 is a left side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings represent visible environmental structure or unclaimed portions of the structure of the bow knuckle, and form no part of the claimed design. 

CLAIM The ornamental design for a bow knuckle, as shown and described. 